Subgoal labeling is like making a signpost for a journey. It's like when you are on a hike, someone has put up signs that show you which way to go. Subgoal labeling is like that, but with a computer program. You provide a goal to the computer and then it breaks it down into smaller steps. Each of the smaller steps is called a subgoal. Labeling each of the subgoals helps the computer understand the different parts of the goal and how to achieve it. That makes it easier for the computer to get to the final answer.